Southern Pocket Gopher
Thomomys umbrinus
T. umbrinus is highly variable in size and coloration, ranging from small to medium-sized and from light brown to dark brown or blackish. The upper incisors are smooth, l…
How to identify
T. umbrinus is highly variable in size and coloration, ranging from small to medium-sized and from light brown to dark brown or blackish. The upper incisors are smooth, lacking grooves. Due to its variability, identification often relies on a combination of morphological characteristics, geographic location, and habitat.
Range
T. umbrinus has a broad distribution, extending from southern California east to Texas and south into Mexico.
Habitat
T. umbrinus occupies a wide variety of habitats, including deserts, grasslands, woodlands, and mountains, wherever suitable soil conditions exist.
Similar species
T. umbrinus can be confused with many other Thomomys species due to its wide range and variability. Careful comparison of cranial characteristics and geographic location is crucial for accurate identification.
Name and etymology
umbrinus: Latin for pertaining to (-inus) shadows (umbra)
At a glance
Range
T. umbrinus has a broad distribution, extending from southern California east to Texas and south into Mexico.
Habitat
T. umbrinus occupies a wide variety of habitats, including deserts, grasslands, woodlands, and mountains, wherever suitable s…
Guide
Mammals of North America
Range map
Approximate range. © Mapbox © OpenStreetMap